Home / 1,616.01-2,229.98-917.25

Finding the Fourth Proportional to 1,616.01, 2,229.98 and 917.25

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Solution

The fourth proportional to 1,616.01, 2,229.98 and 917.25 is: 1,265.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616.01 : 2,229.98 = 917.25 : x
  2. Step 2: Convert to fraction form
    1,616.01/2,229.98 = 917.25/x
  3. Step 3: Cross multiply
    1,616.01x = 2,229.98 × 917.25
  4. Step 4: Simplify right side
    1,616.01x = 2,045,444.57
  5. Step 5: Solve for x
    x = 2,045,444.57/1,616.01
  6. Step 6: Final answer
    x = 1,265.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.